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Overhaul/Repair your motocross racing motorcycle - Get the genuine Yamaha YZ125(N)/LC shop manual in PDF format instantly.
Specs:
Production/model years: 2001
The manual is compatible with the following models: YZ125(N)/LC / Yamaha Motor Corporation, Ltd
Yamaha YZ125N (YZ125N1)
Yamaha YZ125LC (YZ125LC1)
Engine: 124 cc, (7.6 cu in) reed valve two-stroke single cylinder, 33.53 hp (25.00 kW)
Manual Language: English
Printable: Yes, all printers
Delivery: Download link will appear on the checkout page after your payment is complete.
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"Maximize Your Motorcycle's Performance with our Downloadable Parts Catalog and Manual"
Take your riding experience to new heights with our comprehensive parts catalog and manual for Yamaha motorcycles. Download the PDF version and unlock the secrets to maintaining and optimizing your 2001 Yamaha YZ125(N)/LC. From engine specifications to maintenance tips and tuning options, this guide is your ultimate resource for getting the most out of your motorcycle.
Engine Specs/Technical Specifications:
• Engine Type: The 2001 Yamaha YZ125(N)/LC is powered by a liquid-cooled, 124cc, two-stroke engine.
• Bore and Stroke: The engine has a bore and stroke measurement of 54mm x 54.5mm.
• Compression Ratio: It has a high compression ratio of 8.6:1, optimizing power output.
• Carburetion: The YZ125(N)/LC features a Mikuni TMX38 carburetor for precise fuel delivery.
• Ignition System: It utilizes a CDI (Capacitor Discharge Ignition) system for reliable spark generation.
• Transmission: The motorcycle is equipped with a constant-mesh, six-speed transmission for smooth and precise shifting.
• Lubrication System: It utilizes a premix system where oil and fuel are mixed to provide lubrication for the engine.
• Frame: The YZ125(N)/LC features a lightweight, aluminum perimeter frame for enhanced handling and stability.
• Suspension: The front suspension consists of adjustable, inverted telescopic forks, while the rear suspension is a fully adjustable monoshock.
• Brakes: It comes with hydraulic disc brakes in the front and rear for reliable stopping power.
• Wheelbase: The motorcycle has a wheelbase of approximately 1,482mm (58.3 inches) for stability and maneuverability.
• Seat Height: The seat height of the YZ125(N)/LC is around 997mm (39.3 inches), providing a comfortable riding position.
• Fuel Capacity: It has a fuel capacity of approximately 7.0 liters (1.85 gallons).
• Weight: The motorcycle has a dry weight of around 93kg (205 lbs), making it lightweight and agile.
• Tires: It is equipped with knobby tires suitable for off-road riding.
• Exhaust System: The YZ125(N)/LC features a high-performance expansion chamber exhaust system for improved power and torque.
• Air Filter: The motorcycle utilizes a high-flow air filter to maximize airflow and engine performance.
• Lighting: The YZ125(N)/LC is designed for off-road use and does not come with lighting for road legality.
Facts and Details:
- The YZ125(N)/LC is a highly regarded motocross motorcycle, known for its lightweight design and impressive power-to-weight ratio.
- It has been a popular choice among professional and amateur motocross riders for its agility and responsiveness.
- The motorcycle's two-stroke engine delivers a thrilling and exhilarating riding experience, with instant throttle response.
- Yamaha incorporated advanced suspension technology in the YZ125(N)/LC, offering excellent handling and control over rough terrain.
- The lightweight aluminum frame provides optimal rigidity and durability while maintaining maneuverability.
- The YZ125(N)/LC features a power valve system that enhances low-end torque and mid-range power delivery.
- The motorcycle's compact and nimble design allows riders to easily maneuver through tight corners and jumps.
- The YZ125(N)/LC is equipped with a high-capacity radiator and cooling system to maintain optimal engine temperature during intense riding conditions.
- Yamaha designed the motorcycle with an ergonomic and rider-friendly layout, ensuring comfort and control on the track.
- The YZ125(N)/LC features a durable chain drive system that efficiently transfers power to the rear wheel.
- With its lightweight construction, the motorcycle offers excellent handling and maneuverability, allowing riders to easily navigate challenging motocross tracks.
- Yamaha incorporated a digital CDI ignition system in the YZ125(N)/LC for precise spark timing and improved overall performance.
Maintenance Intervals and General Maintenance Tips:
To keep your 2001 Yamaha YZ125(N)/LC in top condition, it is recommended to follow these maintenance intervals and tips:
- Perform regular oil changes according to the manufacturer's recommendations to ensure proper engine lubrication.
- Clean and oil the air filter regularly to prevent dirt and debris from entering the engine.
- Check and adjust the chain tension and lubricate it to maintain proper tension and minimize wear.
- Inspect the brake pads and replace them if worn to ensure optimal braking performance.
- Regularly check tire pressure and tread wear, and replace tires as needed for optimal traction and handling.
- Maintain proper coolant levels and ensure the cooling system is free from leaks or blockages.
- Inspect the suspension components for any signs of wear or damage, and adjust or replace them as necessary.
Common Issues and Solutions:
Issue: Difficulty in starting the motorcycle.
Solution: Check the spark plug and ignition system. Ensure the fuel mixture is correct, and the carburetor is clean and properly adjusted.
Issue: Poor performance or loss of power.
Solution: Check the air filter and exhaust system for any restrictions. Clean or replace components as needed. Verify fuel quality and adjust the carburetor settings if necessary.
Popular Tuning Tips or Modifications:
- Upgrading the exhaust system can enhance power delivery and improve overall performance.
- Installing a high-flow air filter and rejetting the carburetor can optimize fuel-air mixture for better throttle response.
- Upgrading the suspension components can improve handling and stability on rough terrain.
Available Accessories and Aftermarket Options:
- Aftermarket exhaust systems
- Performance air filters
- Suspension upgrades (fork springs, shock absorbers)
- Handlebars and grips
- Graphics kits and decals
- Skid plates and frame guards
Owner Reviews and Opinions:
Strengths: Owners praise the YZ125(N)/LC for its powerful and responsive two-stroke engine, lightweight design, and excellent handling on motocross tracks.
Weaknesses: Some owners mention that the motorcycle may require more frequent maintenance compared to four-stroke models, and it can be more challenging to ride in tight or technical sections.
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